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<ul class="summary">
    
    

    

    
        
        <li class="header">第一部分：基础</li>
        
        
    
        <li class="chapter " data-level="1.1" data-path="../../">
            
                <a href="../../">
            
                    
                    Introduction
            
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        <li class="chapter " data-level="1.2" data-path="../basics/basics.html">
            
                <a href="../basics/basics.html">
            
                    
                    基础
            
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        <li class="chapter " data-level="1.3" data-path="../basics/collections.html">
            
                <a href="../basics/collections.html">
            
                    
                    集合
            
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        <li class="chapter " data-level="1.4" data-path="../basics/enum.html">
            
                <a href="../basics/enum.html">
            
                    
                    Enum 模块
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5" data-path="../basics/pattern-matching.html">
            
                <a href="../basics/pattern-matching.html">
            
                    
                    模式匹配
            
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        <li class="chapter " data-level="1.6" data-path="../basics/control-structures.html">
            
                <a href="../basics/control-structures.html">
            
                    
                    控制语句
            
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        </li>
    
        <li class="chapter " data-level="1.7" data-path="../basics/functions.html">
            
                <a href="../basics/functions.html">
            
                    
                    函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8" data-path="../basics/pipe-operator.html">
            
                <a href="../basics/pipe-operator.html">
            
                    
                    管道操作符
            
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        </li>
    
        <li class="chapter " data-level="1.9" data-path="../basics/modules.html">
            
                <a href="../basics/modules.html">
            
                    
                    模块(Module)
            
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        <li class="chapter " data-level="1.10" data-path="../basics/mix.html">
            
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                    Mix
            
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        <li class="chapter " data-level="1.11" data-path="../basics/sigils.html">
            
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                    魔符(Sigil)
            
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                    文档模块
            
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        <li class="chapter " data-level="1.13" data-path="../basics/testing.html">
            
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                    测试
            
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        <li class="chapter " data-level="1.14" data-path="../basics/comprehensions.html">
            
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                    推导
            
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        <li class="chapter " data-level="1.15" data-path="../basics/strings.html">
            
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                    字符串
            
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        <li class="chapter " data-level="1.16" data-path="../basics/date-time.html">
            
                <a href="../basics/date-time.html">
            
                    
                    日期和时间
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17" data-path="../basics/mix-tasks.html">
            
                <a href="../basics/mix-tasks.html">
            
                    
                    自定义Mix任务
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18" data-path="../basics/iex-helpers.html">
            
                <a href="../basics/iex-helpers.html">
            
                    
                    IEx辅助函数
            
                </a>
            

            
        </li>
    

    
        
        <li class="header">第二部分：高级</li>
        
        
    
        <li class="chapter " data-level="2.1" data-path="erlang.html">
            
                <a href="erlang.html">
            
                    
                    和Erlang互操作
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.2" data-path="error-handling.html">
            
                <a href="error-handling.html">
            
                    
                    错误处理
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.3" data-path="escripts.html">
            
                <a href="escripts.html">
            
                    
                    可执行文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.4" data-path="concurrency.html">
            
                <a href="concurrency.html">
            
                    
                    并发
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.5" data-path="otp-concurrency.html">
            
                <a href="otp-concurrency.html">
            
                    
                    OTP并发
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.6" data-path="otp-supervisors.html">
            
                <a href="otp-supervisors.html">
            
                    
                    OTP Supervisors
            
                </a>
            

            
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        <li class="chapter " data-level="2.7" data-path="otp-distribution.html">
            
                <a href="otp-distribution.html">
            
                    
                    OTP 分布式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.8" data-path="metaprogramming.html">
            
                <a href="metaprogramming.html">
            
                    
                    元编程
            
                </a>
            

            
        </li>
    
        <li class="chapter active" data-level="2.9" data-path="umbrella-projects.html">
            
                <a href="umbrella-projects.html">
            
                    
                    Umbrella Projects
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.10" data-path="typespec.html">
            
                <a href="typespec.html">
            
                    
                    Specifications and types
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.11" data-path="behaviours.html">
            
                <a href="behaviours.html">
            
                    
                    行为
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.12" data-path="gen-stage.html">
            
                <a href="gen-stage.html">
            
                    
                    GenStage
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.13" data-path="protocols.html">
            
                <a href="protocols.html">
            
                    
                    协议
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.14" data-path="nerves.html">
            
                <a href="nerves.html">
            
                    
                    Nerves
            
                </a>
            

            
        </li>
    

    
        
        <li class="header">第三部分：ECTO</li>
        
        
    
        <li class="chapter " data-level="3.1" data-path="../ecto/basics.html">
            
                <a href="../ecto/basics.html">
            
                    
                    Basics
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.2" data-path="../ecto/changesets.html">
            
                <a href="../ecto/changesets.html">
            
                    
                    Changesets
            
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        <li class="chapter " data-level="3.3" data-path="../ecto/associations.html">
            
                <a href="../ecto/associations.html">
            
                    
                    关联关系
            
                </a>
            

            
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        <li class="chapter " data-level="3.4" data-path="../ecto/querying.html">
            
                <a href="../ecto/querying.html">
            
                    
                    查询
            
                </a>
            

            
        </li>
    

    
        
        <li class="header">第四部分：专题</li>
        
        
    
        <li class="chapter " data-level="4.1" data-path="../specifics/plug.html">
            
                <a href="../specifics/plug.html">
            
                    
                    Plug
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.2" data-path="../specifics/eex.html">
            
                <a href="../specifics/eex.html">
            
                    
                    嵌入的 Elixir(EEx)
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.3" data-path="../specifics/ets.html">
            
                <a href="../specifics/ets.html">
            
                    
                    Erlang 项式存储(ETS)
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.4" data-path="../specifics/mnesia.html">
            
                <a href="../specifics/mnesia.html">
            
                    
                    Mnesia 数据库
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.5" data-path="../specifics/debugging.html">
            
                <a href="../specifics/debugging.html">
            
                    
                    调试
            
                </a>
            

            
        </li>
    

    
        
        <li class="header">第五部分：程序库</li>
        
        
    
        <li class="chapter " data-level="5.1" data-path="../libraries/guardian.html">
            
                <a href="../libraries/guardian.html">
            
                    
                    Guardian(基础)
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.2" data-path="../libraries/poolboy.html">
            
                <a href="../libraries/poolboy.html">
            
                    
                    Poolboy
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.3" data-path="../libraries/benchee.html">
            
                <a href="../libraries/benchee.html">
            
                    
                    Benchee
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.4" data-path="../libraries/bypass.html">
            
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                    Bypass
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.5" data-path="../libraries/distillery.html">
            
                <a href="../libraries/distillery.html">
            
                    
                    Distillery(基础)
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.6" data-path="../libraries/stream-data.html">
            
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                    StreamData
            
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                                <p>&#x5B9E;&#x9645;&#x4E0A;&#x6709;&#x65F6;&#x5DE5;&#x7A0B;&#x9879;&#x76EE;&#x4F1A;&#x53D8;&#x5F97;&#x5F88;&#x5927;. Mix &#x6784;&#x5EFA;&#x5DE5;&#x5177;&#x53EF;&#x4EE5;&#x8BA9;&#x6211;&#x4EEC;&#x5C06;&#x4EE3;&#x7801;&#x5212;&#x5206;&#x6210;&#x591A;&#x4E2A;&#x7A0B;&#x5E8F;, &#x4F7F;&#x5F97;&#x9879;&#x76EE;&#x53D8;&#x5927;&#x7684;&#x65F6;&#x5019;&#x66F4;&#x6613;&#x4E8E;&#x7BA1;&#x7406;.</p>
<h2 id="&#x4ECB;&#x7ECD;">&#x4ECB;&#x7ECD;</h2>
<p>&#x521B;&#x5EFA;&#x4E00;&#x4E2A; umbrella project &#x5C31;&#x50CF;&#x6211;&#x4EEC;&#x521B;&#x5EFA; Mix project &#x65F6;&#x4E00;&#x6837;, &#x53EA;&#x662F;&#x591A;&#x4F20;&#x5165;&#x4E86; <code>--umbrella</code> &#x6807;&#x5FD7;. &#x4E0B;&#x9762;&#x7684;&#x4F8B;&#x5B50;&#x4E2D;&#x6211;&#x4EEC;&#x5C06;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x673A;&#x5668;&#x5B66;&#x4E60;&#x7684;&#x547D;&#x4EE4;&#x884C;&#x5DE5;&#x5177;. &#x4F60;&#x95EE;&#x4E3A;&#x4EC0;&#x4E48;&#x662F;&#x4E00;&#x4E2A;&#x673A;&#x5668;&#x5B66;&#x4E60;&#x5DE5;&#x5177;? &#x4E3A;&#x4EC0;&#x4E48;&#x4E0D;&#x5462;? &#x5B83;&#x4EEC;&#x5C06;&#x7531;&#x4E00;&#x4E9B;&#x5B66;&#x4E60;&#x7B97;&#x6CD5;&#x548C;&#x901A;&#x7528;&#x51FD;&#x6570;&#x7EC4;&#x6210;.</p>
<pre><code class="lang-shell">$ mix new machine_learning_toolkit --umbrella

* creating .gitignore
* creating README.md
* creating mix.exs
* creating apps
* creating config
* creating config/config.exs

Your umbrella project was created successfully.
Inside your project, you will find an apps/ directory
where you can create and host many apps:

    cd machine_learning_toolkit
    cd apps
    mix new my_app

Commands like &quot;mix compile&quot; and &quot;mix test&quot; when executed
in the umbrella project root will automatically run
for each application in the apps/ directory.
</code></pre>
<p>&#x6B63;&#x5982;&#x4F60;&#x5728; shell &#x547D;&#x4EE4;&#x4E2D;&#x770B;&#x5230;&#x7684;, Mix &#x4E3A;&#x6211;&#x4EEC;&#x521B;&#x5EFA;&#x4E86;&#x4E00;&#x4E2A;&#x9879;&#x76EE;&#x7684;&#x6846;&#x67B6;, &#x5E76;&#x6709;&#x4E24;&#x4E2A;&#x76EE;&#x5F55;:</p>
<ul>
<li><code>apps/</code> - &#x6211;&#x4EEC;&#x5B50;&#x9879;&#x76EE;&#x6240;&#x5728;&#x7684;&#x5730;&#x65B9;</li>
<li><code>config/</code> - &#x6211;&#x4EEC; umbrella &#x9879;&#x76EE;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x6240;&#x5728;&#x7684;&#x5730;&#x65B9;</li>
</ul>
<h2 id="&#x5B50;&#x9879;&#x76EE;">&#x5B50;&#x9879;&#x76EE;</h2>
<p>&#x8BA9;&#x6211;&#x4EEC;&#x5207;&#x6362;&#x5230;&#x9879;&#x76EE;&#x7684; <code>machine_learning_toolkit/apps</code> &#x76EE;&#x5F55;&#x5E76;&#x7528; Mix &#x521B;&#x5EFA;&#x4E09;&#x4E2A;&#x666E;&#x901A;&#x7684;&#x9879;&#x76EE;:</p>
<pre><code class="lang-shell">$ mix new utilities

* creating README.md
* creating .gitignore
* creating mix.exs
* creating config
* creating config/config.exs
* creating lib
* creating lib/utilities.ex
* creating test
* creating test/test_helper.exs
* creating test/utilities_test.exs

Your Mix project was created successfully.
You can use &quot;mix&quot; to compile it, test it, and more:

    cd utilities
    mix test

Run &quot;mix help&quot; for more commands.


$ mix new datasets

* creating README.md
* creating .gitignore
* creating mix.exs
* creating config
* creating config/config.exs
* creating lib
* creating lib/datasets.ex
* creating test
* creating test/test_helper.exs
* creating test/datasets_test.exs

Your Mix project was created successfully.
You can use &quot;mix&quot; to compile it, test it, and more:

    cd datasets
    mix test

Run &quot;mix help&quot; for more commands.

$ mix new svm

* creating README.md
* creating .gitignore
* creating mix.exs
* creating config
* creating config/config.exs
* creating lib
* creating lib/svm.ex
* creating test
* creating test/test_helper.exs
* creating test/svm_test.exs

Your Mix project was created successfully.
You can use &quot;mix&quot; to compile it, test it, and more:

    cd svm
    mix test

Run &quot;mix help&quot; for more commands.
</code></pre>
<p>&#x73B0;&#x5728;&#x6211;&#x4EEC;&#x9879;&#x76EE;&#x4E2D;&#x7684;&#x6587;&#x4EF6;&#x7ED3;&#x6784;&#x5E94;&#x8BE5;&#x50CF;&#x8FD9;&#x6837;:</p>
<pre><code class="lang-shell">$ tree
.
&#x251C;&#x2500;&#x2500; README.md
&#x251C;&#x2500;&#x2500; apps
&#x2502;   &#x251C;&#x2500;&#x2500; datasets
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; README.md
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; config
&#x2502;   &#x2502;   &#x2502;   &#x2514;&#x2500;&#x2500; config.exs
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; lib
&#x2502;   &#x2502;   &#x2502;   &#x2514;&#x2500;&#x2500; datasets.ex
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; mix.exs
&#x2502;   &#x2502;   &#x2514;&#x2500;&#x2500; test
&#x2502;   &#x2502;       &#x251C;&#x2500;&#x2500; datasets_test.exs
&#x2502;   &#x2502;       &#x2514;&#x2500;&#x2500; test_helper.exs
&#x2502;   &#x251C;&#x2500;&#x2500; svm
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; README.md
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; config
&#x2502;   &#x2502;   &#x2502;   &#x2514;&#x2500;&#x2500; config.exs
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; lib
&#x2502;   &#x2502;   &#x2502;   &#x2514;&#x2500;&#x2500; svm.ex
&#x2502;   &#x2502;   &#x251C;&#x2500;&#x2500; mix.exs
&#x2502;   &#x2502;   &#x2514;&#x2500;&#x2500; test
&#x2502;   &#x2502;       &#x251C;&#x2500;&#x2500; svm_test.exs
&#x2502;   &#x2502;       &#x2514;&#x2500;&#x2500; test_helper.exs
&#x2502;   &#x2514;&#x2500;&#x2500; utilities
&#x2502;       &#x251C;&#x2500;&#x2500; README.md
&#x2502;       &#x251C;&#x2500;&#x2500; config
&#x2502;       &#x2502;   &#x2514;&#x2500;&#x2500; config.exs
&#x2502;       &#x251C;&#x2500;&#x2500; lib
&#x2502;       &#x2502;   &#x2514;&#x2500;&#x2500; utilities.ex
&#x2502;       &#x251C;&#x2500;&#x2500; mix.exs
&#x2502;       &#x2514;&#x2500;&#x2500; test
&#x2502;           &#x251C;&#x2500;&#x2500; test_helper.exs
&#x2502;           &#x2514;&#x2500;&#x2500; utilities_test.exs
&#x251C;&#x2500;&#x2500; config
&#x2502;   &#x2514;&#x2500;&#x2500; config.exs
&#x2514;&#x2500;&#x2500; mix.exs
</code></pre>
<p>&#x5F53;&#x5207;&#x56DE; umbrella &#x9879;&#x76EE;&#x7684;&#x6839;&#x76EE;&#x5F55;&#x65F6;, &#x53EF;&#x4EE5;&#x53D1;&#x73B0;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x8C03;&#x7528;&#x6240;&#x6709;&#x5E38;&#x89C1;&#x7684;&#x547D;&#x4EE4;, &#x6BD4;&#x5982;: compile(&#x7F16;&#x8BD1;). &#x6240;&#x6709;&#x7684;&#x5B50;&#x9879;&#x76EE;&#x4E5F;&#x662F;&#x666E;&#x901A;&#x7684; application&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x5207;&#x5230;&#x4ED6;&#x4EEC;&#x7684;&#x76EE;&#x5F55;&#x548C;&#x901A;&#x5E38;&#x9879;&#x76EE;&#x4E00;&#x6837;&#x505A; Mix &#x53EF;&#x4EE5;&#x505A;&#x7684;&#x4E8B;.</p>
<pre><code class="lang-bash">$ mix compile

==&gt; svm
Compiled lib/svm.ex
Generated svm app

==&gt; datasets
Compiled lib/datasets.ex
Generated datasets app

==&gt; utilities
Compiled lib/utilities.ex
Generated utilities app

Consolidated List.Chars
Consolidated Collectable
Consolidated String.Chars
Consolidated Enumerable
Consolidated IEx.Info
Consolidated Inspect
</code></pre>
<h2 id="iex">IEx</h2>
<p>&#x4F60;&#x4E5F;&#x8BB8;&#x8BA4;&#x4E3A;&#x548C; umbrella &#x9879;&#x76EE;&#x5728; IEx &#x4E2D;&#x4EA4;&#x4E92;&#x4F1A;&#x6709;&#x4E9B;&#x533A;&#x522B;. &#x4E0D;&#x7BA1;&#x4F60;&#x4FE1;&#x4E0D;&#x4FE1;, &#x4F60;&#x731C;&#x9519;&#x4E86;! &#x5F53;&#x6211;&#x4EEC;&#x5207;&#x5230;&#x9876;&#x5C42;&#x76EE;&#x5F55;&#x5E76;&#x7528; <code>iex -S mix</code> &#x542F;&#x52A8; IEx, &#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x6B63;&#x5E38;&#x7684;&#x548C;&#x6240;&#x6709;&#x9879;&#x76EE;&#x8FDB;&#x884C;&#x4EA4;&#x4E92;. &#x8BA9;&#x6211;&#x4EEC;&#x6539;&#x53D8;&#x4E00;&#x4E0B; <code>apps/datasets/lib/datasets.ex</code> &#x7684;&#x5185;&#x5BB9;&#x6765;&#x4E3E;&#x4E2A;&#x4F8B;&#x5B50;:</p>
<pre><code class="lang-elixir"><span class="hljs-class"><span class="hljs-keyword">defmodule</span> <span class="hljs-title">Datasets</span></span> <span class="hljs-keyword">do</span>
  <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">hello</span></span> <span class="hljs-keyword">do</span>
    IO.puts(<span class="hljs-string">&quot;Hello, I&apos;m the datasets&quot;</span>)
  <span class="hljs-keyword">end</span>
<span class="hljs-keyword">end</span>
</code></pre>
<pre><code class="lang-shell">$ iex -S mix
Erlang/OTP {{ site.erlang.OTP }} [erts-{{ site.erlang.erts }}] [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

==&gt; datasets
Compiled lib/datasets.ex
Consolidated List.Chars
Consolidated Collectable
Consolidated String.Chars
Consolidated Enumerable
Consolidated IEx.Info
Consolidated Inspect
Interactive Elixir ({{ site.elixir.version }}) - press Ctrl+C to exit (type h() ENTER for help)

iex&gt; Datasets.hello
:world
</code></pre>

                                
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